My DD was a little older when I night weaned her, and giving her a sippy at night really helped with this because she was waking up thirsty not hungry. At first, she would wake us up to get her sippy (we bedshare, so the sippy was on the shelf of the headboard), but pretty soon I would feel her wake up, take a drink, and then lay back down. Even now at 4, she has a cup of water by her bed. I have heard her get up at night to get that drink or even first thing in the morning.